"Number of records: %zu\n" \
"Smallest/average/largest keys: %zu/%zu/%zu\n%s" \
"Smallest/average/largest data: %zu/%zu/%zu\n%s" \
"Number of records: %zu\n" \
"Smallest/average/largest keys: %zu/%zu/%zu\n%s" \
"Smallest/average/largest data: %zu/%zu/%zu\n%s" \